| 型號(hào) | 下載 訂購(gòu) | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1644 | Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting General Description The MAX1644 constant-off-time, PWM step-down DC-DC converter is ideal for use in applications such as PC cards, CPU daughter cards, and desktop computer bus-termination boards. The device features internal synchronous rectification for high efficiency and reduced component cou 文件:183.5 Kbytes 頁(yè)數(shù):32 Pages | MAXIM 美信 | MAXIM | |
MAX1644 | 2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:170.91 Kbytes 頁(yè)數(shù):11 Pages | MAXIM 美信 | MAXIM | |
MAX1644 | 2A、低電壓、降壓型穩(wěn)壓器,內(nèi)置同步整流與開(kāi)關(guān) MAX1644恒定關(guān)斷時(shí)間、PWM降壓型DC-DC轉(zhuǎn)換器非常適合PC卡、CPU子卡和臺(tái)式計(jì)算機(jī)總線終端板等應(yīng)用。該器件具有內(nèi)部同步整流功能,可實(shí)現(xiàn)高效率并減少元件數(shù)量。它不需要外部肖特基二極管。內(nèi)部0.10Ω PMOS電源開(kāi)關(guān)和0.10Ω NMOS同步整流器開(kāi)關(guān)可輕松提供高達(dá)2A的連續(xù)負(fù)載電流。MAX1644提供+3.3V或+2.5V預(yù)設(shè)輸出電壓或+1.1V至VIN可調(diào)輸出電壓。效率高達(dá)95%。\n\n MAX1644采用專(zhuān)門(mén)的電流模式、恒定關(guān)斷時(shí)間、PWM控制方案,借助Idle Mode?技術(shù),可在輕負(fù)載工作條件下保持高效率。該器件采用可編程恒定關(guān)斷時(shí)間架構(gòu),開(kāi)關(guān)頻率可設(shè)置 ? ±1%輸出精度\n\n? 95%效率\n\n? 內(nèi)部PMOS和NMOS開(kāi)關(guān)\n? VIN = +4.5V 時(shí),導(dǎo)通電阻為70mΩ\n\n? VIN = +3V時(shí),導(dǎo)通電阻為100mΩ\n\n\n\n\n? 輸出電壓\n? +3.3V或+2.5V引腳可選\n\n? +1.1V至VIN可調(diào)\n\n\n\n\n? 輸入電壓范圍:+3V至+5.5V\n\n? 工作電源電流:360μA(最大值)\n\n? 關(guān)斷電源電流:< 1μA\n\n? 可編程恒定關(guān)斷時(shí)間操作\n\n? 開(kāi)關(guān)頻率:350kHz(最大值)\n\n? 輕負(fù)載時(shí)進(jìn)入空閑模式\n\n? 熱關(guān)斷\n\n? 可調(diào)軟啟動(dòng)沖擊限; | ADI 亞德諾 | ADI | |
PLASTIC ENCAPSULATED DEVICES General Description The MAX1644 constant-off-time, PWM step-down DC-DC converter is ideal for use in applications such as PC cards, CPU daughter cards, and desktop computer bus-termination boards. The device features internal synchronous rectification for high efficiency and reduced component cou 文件:137.65 Kbytes 頁(yè)數(shù):8 Pages | MAXIM 美信 | MAXIM | ||
2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:170.91 Kbytes 頁(yè)數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:170.91 Kbytes 頁(yè)數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:170.91 Kbytes 頁(yè)數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches 文件:170.91 Kbytes 頁(yè)數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
Package:16-SSOP(0.209",5.30mm 寬);包裝:卷帶(TR) 功能:降壓 類(lèi)別:集成電路(IC) 穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP | AD 亞德諾 | AD | ||
Package:16-SSOP(0.209",5.30mm 寬);包裝:管件 功能:降壓 類(lèi)別:集成電路(IC) 穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP | AD 亞德諾 | AD |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- VOUT1 (min)(V):
1.1
- VOUT1 (max)(V):
5.5
- IOUT1 (max)(A):
2
- Switch Type:
Internal
- Preset VOUT(V):
2.5
- Output Adjust. Method:
Preset
- VOUT1 Tolerance(±%):
1
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.36
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
350
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
SSOP/16
- Smallest Available Pckg. (max w/pins)(mm2):
50
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$4.42 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAXIM |
2015+ |
SOP |
5700 |
進(jìn)口原裝正品 能17%開(kāi)增值發(fā)票 |
詢(xún)價(jià) | ||
MAXIM |
23+ |
SSOP16 |
7000 |
絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)! |
詢(xún)價(jià) | ||
美信 |
24+ |
SOP-16 |
89 |
詢(xún)價(jià) | |||
MAXIM |
24+ |
SSOP16 |
6980 |
原裝現(xiàn)貨,可開(kāi)13%稅票 |
詢(xún)價(jià) | ||
MAXIM |
24+ |
ssop-16 |
4652 |
公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫(kù)存! |
詢(xún)價(jià) | ||
MAXIM |
25+ |
SSOP |
4500 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
詢(xún)價(jià) | ||
MAXIM |
25+ |
SSOP16 |
4500 |
全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷(xiāo)售! |
詢(xún)價(jià) | ||
MAXIM |
SOP |
3350 |
一級(jí)代理 原裝正品假一罰十價(jià)格優(yōu)勢(shì)長(zhǎng)期供貨 |
詢(xún)價(jià) | |||
MAXIM |
23+ |
SOP |
1800 |
十七年VIP會(huì)員,誠(chéng)信經(jīng)營(yíng),一手貨源,原裝正品可零售! |
詢(xún)價(jià) | ||
MAXIM |
24+ |
SSOP |
25000 |
特價(jià)特價(jià)100原裝長(zhǎng)期供貨. |
詢(xún)價(jià) |
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